(written from a Production point of view)
Pinky Villaseñor is an actress who played a Vorta in the Star Trek: Deep Space Nine episode "The Search, Part II". She received no credit for her appearance and was identified by the name tag of her costume which was sold off on It's A Wrap! sale and auction on eBay. 
Villaseñor has also guest starred in the television series Gideon's Crossing (2000, guest starring Fran Bennett and Freda Foh Shen), The Guardian (2004, with Raphael Sbarge and Kerrie Keane), and CSI: New York (2005, with Raphael Sbarge, Dave Power, and Tim Sitarz). She was also a regular background actress playing a nurse on the last two seasons of Chicago Hope (1998-2000).